One more fight? Boxer lends brain to head trauma research

After years of training, sparring and fights, top-ranked boxer Claire Hafner is about to discover the toll the ring has taken on her brain health. She’s part of a groundbreaking study of living athletes that hopes to better understand head trauma risks — and help athletes figure out when it’s time to quit. #brain #sports #news Watch The National live on YouTube Sunday-Friday at 9 p.m. ET Subscribe to The National: https://www.youtube.com/user/CBCTheNational?sub_confirmation=1 More from CBC News | https://www.cbc.ca/news The National is the flagship of CBC News, showcasing award-winning journalism from across Canada and around the world. Led by Chief Correspondent Adrienne Arsenault and Ian Hanomansing, our team of trusted reporters helps you make sense of the world, wherever you are.